<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery UI 缩放（Resizable） - 限制缩放区域</title>
  <link rel="stylesheet" href="//apps.bdimg.com/libs/jqueryui/1.10.4/css/jquery-ui.min.css">
  <script src="//apps.bdimg.com/libs/jquery/1.10.2/jquery.min.js"></script>
  <script src="//apps.bdimg.com/libs/jqueryui/1.10.4/jquery-ui.min.js"></script>
  <link rel="stylesheet" href="jqueryui/style.css">
  <style>
  #container { width: 300px; height: 300px; }
  #container h3 { text-align: center; margin: 0; margin-bottom: 10px; }
  #resizable { background-position: top left; width: 150px; height: 150px; }
  #resizable, #container { padding: 0.5em; }
   #resizable2 { background-position: top left; width: 150px; height: 150px; }
  </style>
  <script>
  $(function() {
    $( "#resizable,#resizable2" ).resizable({
      containment: "#container"
    });
     $( "#resizable" ).draggable({
      containment: "#container"
    });
  });
  </script>
</head>
<body>
 
<div id="container" class="ui-widget-content">
  <h3 class="ui-widget-header">限制</h3>
  <div id="resizable" class="ui-state-active">
    <h3 class="ui-widget-header">缩放（Resizable）</h3>
  </div>
   <div id="resizable2" class="ui-state-active">
    <h3 class="ui-widget-header">缩放（Resizable）</h3>
  </div>
</div>
 
 
</body>
</html>